13361287 has 2 divisors, whose sum is σ = 13361288. Its totient is φ = 13361286.

The previous prime is 13361267. The next prime is 13361291. The reversal of 13361287 is 78216331.

13361287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13361287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13361267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6680643 + 6680644.

It is an arithmetic number, because the mean of its divisors is an integer number (6680644).

Almost surely, 2^13361287 is an apocalyptic number.

13361287 is a deficient number, since it is larger than the sum of its proper divisors (1).

13361287 is an equidigital number, since it uses as much as digits as its factorization.

13361287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 31.

The square root of 13361287 is about 3655.3094260267. The cubic root of 13361287 is about 237.2918183094.

The spelling of 13361287 in words is "thirteen million, three hundred sixty-one thousand, two hundred eighty-seven".